Table 3.
Performance of the experts and the ensemble model in classifying high frequency benign and malignant lesions in the internal test set.
| Malignant Tumors | N | Expert 1 accuracy | Expert 2 accuracy | Expert 3 accuracy | Expert committee | Model accuracy |
|---|---|---|---|---|---|---|
| Osteosarcoma | 11 | 90•9% | 100•0% | 81•8% | 100% | 90.9% |
| Ewing sarcoma | 12 | 83•3% | 91•7% | 41•7% | 83•3% | 91•7% |
| Multiple Myeloma | 8 | 87•5% | 62•5% | 62•5% | 75•0% | 75.0% |
| Chondrosarcoma | 5 | 60•0% | 80•0% | 20•0% | 60•0% | 60•0% |
| Benign Lesions | N | Expert 1 accuracy | Expert 2 accuracy | Expert 3 accuracy | Expert committee | Model accuracy |
| Giant cell tumor of the bone | 9 | 44•4% | 44•4% | 77•8% | 44•4% | 77•8% |
| Chondroblastoma | 7 | 100•0% | 85•7% | 42•9% | 85•7% | 85•7% |
| Enchondroma | 6 | 83•3% | 83•3% | 100•0% | 83•3% | 100% |
| Aneurysmal Bone Cyst | 6 | 50•0% | 33•3% | 66•7% | 50•0% | 50•0% |
| Osteomyelitis | 5 | 100•0% | 100•0% | 80•0% | 100•0% | 100% |